netdata/python.d/haproxy.chart.py at master · johnulist/netdata · GitHub

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# -*- coding: utf-8 -*-

# Description: haproxy netdata python.d module

# Author: l2isbad

from base import UrlService, SocketService

# default module values (can be overridden per job in `config`)

# update_every = 2

priority = 60000

retries = 60

# charts order (can be overridden if you want less charts, or different order)

ORDER = ['fbin', 'fbout', 'fscur', 'fqcur', 'bbin', 'bbout', 'bscur', 'bqcur', 'health_sdown', 'health_bdown']

CHARTS = {

'fbin': {

'options': [None, "Kilobytes In", "KB/s", 'frontend', 'haproxy_f.bin', 'line'],

'lines': [

]},

'fbout': {

'options': [None, "Kilobytes Out", "KB/s", 'frontend', 'haproxy_f.bout', 'line'],

'lines': [

]},

'fscur': {

'options': [None, "Sessions Active", "sessions", 'frontend', 'haproxy_f.scur', 'line'],

'lines': [

]},

'fqcur': {

'options': [None, "Session In Queue", "sessions", 'frontend', 'haproxy_f.qcur', 'line'],

'lines': [

]},

'bbin': {

'options': [None, "Kilobytes In", "KB/s", 'backend', 'haproxy_b.bin', 'line'],

'lines': [

]},

'bbout': {

'options': [None, "Kilobytes Out", "KB/s", 'backend', 'haproxy_b.bout', 'line'],

'lines': [

]},

'bscur': {

'options': [None, "Sessions Active", "sessions", 'backend', 'haproxy_b.scur', 'line'],

'lines': [

]},

'bqcur': {

'options': [None, "Sessions In Queue", "sessions", 'backend', 'haproxy_b.qcur', 'line'],

'lines': [

]},

'health_sdown': {

'options': [None, "Backend Servers In DOWN State", "failed servers", 'health',

'haproxy_hs.down', 'line'],

'lines': [

]},

'health_bdown': {

'options': [None, "Is backend alive? 1 = DOWN", "failed backend", 'health', 'haproxy_hb.down', 'line'],

'lines': [

]}

}

class Service(UrlService, SocketService):

def __init__(self, configuration=None, name=None):

if 'socket' in configuration:

SocketService.__init__(self, configuration=configuration, name=name)

self.poll_method = SocketService

self.request = 'show stat\n'

else:

UrlService.__init__(self, configuration=configuration, name=name)

self.poll_method = UrlService

self.order = ORDER

self.definitions = CHARTS

self.order_front = [_ for _ in ORDER if _.startswith('f')]

self.order_back = [_ for _ in ORDER if _.startswith('b')]

self.charts = True

def check(self):

if self.poll_method.check(self):

self.info('Plugin was started successfully. We are using %s.' % self.poll_method.__name__)

return True

else:

return False

def create_charts(self, front_ends, back_ends):

for _ in enumerate(front_ends):

idx = _[0]

self.definitions['fbin']['lines'].append(['_'.join(['fbin', front_ends[idx]['# pxname']]),

front_ends[idx]['# pxname'], 'incremental', 1, 1024])

self.definitions['fbout']['lines'].append(['_'.join(['fbout', front_ends[idx]['# pxname']]),

front_ends[idx]['# pxname'], 'incremental', 1, 1024])

self.definitions['fscur']['lines'].append(['_'.join(['fscur', front_ends[idx]['# pxname']]),

front_ends[idx]['# pxname'], 'absolute'])

self.definitions['fqcur']['lines'].append(['_'.join(['fqcur', front_ends[idx]['# pxname']]),

front_ends[idx]['# pxname'], 'absolute'])

for _ in enumerate(back_ends):

idx = _[0]

self.definitions['bbin']['lines'].append(['_'.join(['bbin', back_ends[idx]['# pxname']]),

back_ends[idx]['# pxname'], 'incremental', 1, 1024])

self.definitions['bbout']['lines'].append(['_'.join(['bbout', back_ends[idx]['# pxname']]),

back_ends[idx]['# pxname'], 'incremental', 1, 1024])

self.definitions['bscur']['lines'].append(['_'.join(['bscur', back_ends[idx]['# pxname']]),

back_ends[idx]['# pxname'], 'absolute'])

self.definitions['bqcur']['lines'].append(['_'.join(['bqcur', back_ends[idx]['# pxname']]),

back_ends[idx]['# pxname'], 'absolute'])

self.definitions['health_sdown']['lines'].append(['_'.join(['hsdown', back_ends[idx]['# pxname']]),

back_ends[idx]['# pxname'], 'absolute'])

self.definitions['health_bdown']['lines'].append(['_'.join(['hbdown', back_ends[idx]['# pxname']]),

back_ends[idx]['# pxname'], 'absolute'])

def _get_data(self):

"""

Format data received from http request

:return: dict

"""

raw_data = self.poll_method._get_raw_data(self)

if not raw_data:

return None

else:

raw_data = raw_data.splitlines()

all_instances = [dict(zip(raw_data[0].split(','),

raw_data[_].split(','))) for _ in range(1, len(raw_data))]

back_ends = list(filter(is_backend, all_instances))

front_ends = list(filter(is_frontend, all_instances))

servers = list(filter(is_server, all_instances))

if self.charts:

self.create_charts(front_ends, back_ends)

self.charts = False

to_netdata = dict()

for frontend in front_ends:

for idx in self.order_front:

to_netdata.update({'_'.join([idx, frontend['# pxname']]):

int(frontend[idx[1:]]) if frontend.get(idx[1:]) else 0})

for backend in back_ends:

for idx in self.order_back:

to_netdata.update({'_'.join([idx, backend['# pxname']]):

int(backend[idx[1:]]) if backend.get(idx[1:]) else 0})

for _ in enumerate(back_ends):

idx = _[0]

to_netdata.update({'_'.join(['hsdown', back_ends[idx]['# pxname']]):

len([server for server in servers if is_server_down(server, back_ends, idx)])})

to_netdata.update({'_'.join(['hbdown', back_ends[idx]['# pxname']]):

1 if is_backend_down(back_ends, idx) else 0})

return to_netdata

@staticmethod

def _check_raw_data(data):

"""

Check if all data has been gathered from socket

:param data: str

:return: boolean

"""

return not bool(data)

def is_backend(backend):

return backend.get('svname') == 'BACKEND' and backend.get('# pxname') != 'stats'

def is_frontend(frontend):

return frontend.get('svname') == 'FRONTEND' and frontend.get('# pxname') != 'stats'

def is_server(server):

return not server.get('svname', '').startswith(('FRONTEND', 'BACKEND'))

def is_server_down(server, back_ends, idx):

return server.get('# pxname') == back_ends[idx].get('# pxname') and server.get('status') == 'DOWN'

def is_backend_down(back_ends, idx):

return back_ends[idx].get('status') == 'DOWN'

netdata/python.d/haproxy.chart.py at master · johnulist/netdata · GitHub

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